.indexbanner {
     position: relative;
     width: 100%;
     margin-bottom: 30px;
     background: white;
     box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
     overflow: hidden;
     height: calc(100vh - 80px);
 }
 
  .indexbanner .swiper-container {
     width: 100%;
     height: 100%;
     position: relative;
 }
 
 .indexbanner .swiper-slide {
     position: relative;
     overflow: hidden;
 }
 
 .indexbanner .slide-image {
     width: 100%;
     height: 100%;
     object-fit: cover;
     transition: transform 1.2s ease;
 }
 
 .indexbanner .swiper-slide-active .slide-image {
     transform: scale(1.05);
 }
 
 .indexbanner .slogan-overlay {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 2;
 }
 .indexbanner .bannerzz{
     position: absolute;
     z-index: 1;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color:#000;
     opacity: 0.3;
 }
 .indexbanner .slogan-content {
     border-radius: 20px;
     padding: 50px 60px;
     margin-bottom: 100px;
     max-width: 900px;
     text-align: center;
     transform: translateY(30px) scale(0.95);
     opacity: 0;
     transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
 }
 
     .swiper-slide-active .slogan-content {
     transform: translateY(0) scale(1);
     opacity: 1;
     transition-delay: 0.5s;
 }
 
 .indexbanner .slogan-company {
     font-size: 2.8rem;
     font-weight: 700;
     color: #FFF;
     margin-bottom: 30px;
     line-height: 1.2;
 }
 
 .indexbanner .slogan-text-container {
     display: flex;
     flex-direction: column;
     gap: 20px;
 }
 
 .indexbanner .slogan-text {
     font-size: 1.6rem;
     line-height: 1.6;
     color: #FFF;
     font-weight: 500;
 }
 
 .indexbanner .thumbnail-container {
     position: absolute;
     z-index: 10;
     width: 1400px;
     bottom: 20px;
     left: calc(50% - 700px);
     box-sizing: border-box;
 }
 
 .indexbanner .thumbnail-nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0;/* 清除默认内边距，确保首尾真的贴边 */
 }
 
 .indexbanner .thumbnail-item {
    position: relative;
     width: 210px;
     height: 70px;
     box-sizing: border-box;
     cursor: pointer;
     overflow: hidden;
     transition: all 0.3s ease;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
 }
 
 .indexbanner .thumbnail-item:hover {
     transform: translateY(-3px);
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
     /* border-color: #1a73e8; */
 }
 
 .indexbanner .thumbnail-item.active {
     /* border-color: #1a73e8;
     background: rgba(26, 115, 232, 0.05); */
     transform: translateY(-3px);
 }
  .indexbanner .custbg{
    position: absolute;
    z-index: 9;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background-color: #000;
    opacity: 0.3;
    border-radius: 6px;
 }
 .indexbanner .custstr{
    position: absolute;
    z-index: 10;
    left: 10px;
    top: 10px;
    right: 10px;
    bottom: 10px;
    border-radius: 6px;
    height: 50px;
    line-height: 48px;
    box-sizing: border-box;
    text-align: center;
    font-size: 18px;
    background-color: #FFF;
    border: 1px solid #fff;
    color: #333;
}
 .indexbanner .thumbnail-item:hover .custstr{
    border-color: #4299e1;
    background-color: #f0f7ff;
 }
 
 .indexbanner .thumbnail-item.active .custstr{
    background-color: #1c2a53;
    border-color: #1c2a53;
    color: #ffffff;
 }
 /* 删除结束 */
 .indexbanner .swiper-button-next,
 .indexbanner .swiper-button-prev {
     width: 60px;
     height: 60px;
     border-radius: 50%;
     color: #FFF !important;
 }
 
 .indexbanner .swiper-button-next:after,
 .indexbanner .swiper-button-prev:after {
     font-size: 1.5rem;
     font-weight: bold;
 }
 
 .indexbanner .swiper-pagination {
     position: absolute;
     bottom: 100px !important;
     display: none;
 }
 
 .indexbanner .swiper-pagination-bullet {
     width: 12px;
     height: 12px;
     background: rgba(255, 255, 255, 0.8);
     opacity: 1;
 }
 
 .indexbanner .swiper-pagination-bullet-active {
     background: #1a73e8;
 }